5-Nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-3-carboxylic acid CAS 1328640-37-4

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

5-Nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-3-carboxylic acid (CAS 1328640-37-4), molecular formula C6H4F3N3O4 and molecular weight 239.11 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-Nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-3-carboxylic acid (C6H4F3N3O4) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 239.11 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 5-Nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-3-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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